More from this Slideshow

Avoid hitting the salon every two weeks with a grown-out golden hue like Mary-Kate and Ashley Olsen. "Mary-Kate and Ashley's blonde, with a little shadow at the root, has been a popular request," Viscuso told us. "The darker root adds a little edge to the look." (CREDIT: Kevin Mazur/WireImage) See the Full Story

Karlie Kloss' low-manetenance cut looks great on all hair types. This choppy style adds volume to thinner strands while the long layers make coarse hair more manageable. "Our clients have been requesting a mid-length, textured bob like Karlie's," stylist Jessica Gillen told InStyle.com. "It's a very '90s looking style." (CREDIT: Brad Barket/ABACAUSA) See the Full Story

Gwyneth Paltrow's classic, coveted locks will never go out of style. "Blondes continue to follow Gwyneth's lead by requesting a honey-golden hue," colorist Tracey Cunningham told InStyle.com. (CREDIT: Carlos Alvarez/Getty Images) See the Full Story

We're not surprised that Emma Stone's signature auburn locks are one of the most desired shades in Hollywood. "Redheads will ring in the New Year with intense, vibrant reds," Cunningham told us. "This look fits with all skin tones." (CREDIT: Jim Spellman/WireImage) See the Full Story

"Brunettes will continue to rock the ombre trend into 2013," Cunningham told InStyle.com. "Think Jessica Biel's rose gold tips; it's a look for all seasons." (CREDIT: Lionel Hahn/ABACAUSA) See the Full Story

"A lot of younger clients have been asking for Anne Hathaway's layered bob," Parco told us. "They're looking for a short, natural colored 'do with lots of shine." (CREDIT: Dario Cantatore/Invision/AP) See the Full Story

Ring in the New Year with a party-ready sculpted style. "Clients with long hair have been requesting a coiffed look to mimic Katy Perry's fifties pin-up hair," Barr told us. (CREDIT: Venturelli/WireImage) See the Full Story

Jessica Alba's chestnut strands maintain an enviable rich hue. "Clients with long hair like Jessica's natural and wavy hair because it's natural and chic at the same time," Creative Director Alexandre Chouery told InStyle.com. (CREDIT: Landov) See the Full Story

"Clients with shorter hair are inspired by Cameron Diaz's look at the 2012 Golden Globes," Chouery told us. "She chopped off her long blonde hair into a bob, a style that embodies our Greenwich clients." (CREDIT: Jeffrey Mayer/WireImage) See the Full Story

Soft, tonal locks like Reese Witherspoon's are all the rage down south. "Double highlights have been really popular as a way to diversify your typical highlight," stylist Stephen Posta told InStyle.com. "They require a regular monotone highlight with a balayage over the top for even more dimension." (CREDIT: Dave Hogan/Getty Images) See the Full Story

Upgrade 2012's ombre trend and take cue from Lauren Conrad, who went for a subtler version of the effect. "A softer, toned-down version of the ombre, known as 'sombre', was recently a top requested look," Posta told InStyle.com. (CREDIT: Imeh Akpanudosen/Getty Images) See the Full Story